AU.S. Postal Service supervisor is looking for ways to reduce stress in the worting department Win the existing arrangement, stamped letters are machine-canceled and loaded into tuts with 325 Dosturks, who read and kay zip code into an automated sorting machine at the rate of one tub per 225 seconds. To overcome the stress caused when the stamp cancelling machine gute When the chers are ready to process another tub of mal, they wil pull the tub from the canceling machine area. How many tubs should circulate between the sorting clerks and the carcling mad 1 hou hit the safety stock policy variable, is 0.10, and the average waiting time plus material handing time is 60 minutes pertub? The werage processing time per lub of letters, day. (Enter your response rounded to four decimal pieces) The average waiting time per tud of Waters, we say, (Enter your response rounded to four decimal places) Therefore, the number of tubt that shoud dieeulato between the sering cheries and the cancong machine (4001. Enter your response rounded up to Me next whole number) Enter your answer in ach of the answer box stress in the sorting department. With the existing arrangement, stamped letters are machine-canceled and loaded into tubs with 325 letters por tub. The tubs are then pushed to orting machine at the ratio of ane tub per 225 seconds. To overcome the stress caused when the stamp canceling machine outpaces the sorting darks, a pull system is proposed, will put the lub from the canceling machine area. How many tubs should circulate between the sorting clerks and the canceling machine if 50,000 letters are to be sorted during a he average walting time plus material handing time is 60 minutes per tub? (Enter your response rounded to four decimal pinces) for your responso rounded to four decimal places) the toring darks and the canceling machine is tubs. (Endor your response rounded up to the next whole number)